After breaking a mirror in his home, superstitious Max tries to avoid situations which could bring bad luck, but in doing so causes himself the worst luck imaginable.

Sally McGill, a little Irish girl, brought up in a particularly sordid section, is compelled to work to support her entire family. Ben Blaney, the young foreman where she works, loves little Sally. Mrs. Rockwell, wealthy and childless, finds joy in taking a limited number of the poorest children to her country home each summer, and she selects those whom she will take. Sally's ambition is to become a refined lady like those about her, and she is attracted to Paul Taylor, but knows she is inferior to him.

A scientist tries to transfer the personality of a man into his mentally retarded son.

During the American Revolution, Alexander Hamilton and Aaron Burr are both courting beautiful Margaret Moncrieffe. Fast-forward several years and they again find themselves on opposite sides, this time about compensation for the properties of Tories--colonists who sided with the British--during the war. Hamilton falls for Maria Reynolds, who it turns out is secretly the wife of prominent pawnbroker Jacob Clingman, a friend of Burr's. The pair conspire to destroy Hamilton, who is now Secretary of the Treasury and married to the daughter of a prominent army general, by making public several love letters Hamilton had written to Mrs. Reynolds.

Although her husband and children want to continue living modestly after they acquire a fortune from munitions, Mrs. Tompkins has social aspirations and persuades them to move into an exclusive country neighborhood and send their son Dick to Yale. When Mrs. Tompkins mistakes Louise Allenby, the daughter of her aristocratic neighbors, for a maid, Louise in jest pretends to be the Allenby social secretary. Dick, returning home, hears some girls giggling about Louise's joke on the Tompkins family and for revenge he becomes a groom for the Allenbys, but he and Louise fall in love. During a party, swindler Cholly Van Dusen steals some of the Allenby jewels and blames Louise who is put under arrest until her parents return. Cholly is then caught, Louise and Dick with revealed identities announce their love, and the Tompkinses are accepted socially.